Impact Factor
4.41
Estimated influence, citation density, publishing volume, and citation integrity from the analytics table.
Volume, recency, access pattern, and citing-community signals from the journal analytics record.
Recent article records with DOI-first linking and condensed abstracts.
Title from BioMed Central archive volume screen (viewed on Feb. 14, 2002).
Articles added consecutively to the current annual v.
Text (electronic journal) available in PDF and HTML format.
System requirements: Internet connectivity and World Wide Web browser.
Mode of access: Internet.